??????????
???????????о?????????????MySQL??????м???????????°????????eclipse??????????????????????????????????????????????????????STOP??????????????????????????д??????д?????????о????????????????

    public static void main(String[] args) {
        System.out.println(new Date() + "??server shutdown!");
    }

????????м??????????е??????????????????????????????????????????socket???????????????????????????????????????????£?????????eclipse??????С?????????VM??
??????????????????????黯????????????????Server?????????????????????????????????????????????????????????????????????????????????????????????????????κ??????
?????????????????????
??????????????
???????????????????????????????????

???? -> ??????? -> ???????? -> ????? -> ?????? -> ??????? -> ?????? -> ?????? -> ?????? -> ???????? -> ???????

?????????????????????????????????????????????


public enum LifecycleState {

    NEW?? //????

    INITIALIZING?? INITIALIZED?? //?????

    STARTING?? STARTED?? //???

    SUSPENDING?? SUSPENDED?? //???

    RESUMING?? RESUMED??//???

    DESTROYING?? DESTROYED??//????

    FAILED;//???

}

??????? ?????????????е????????淶?????????????????壬???????:

public interface ILifecycle {

    /**
     * ?????
     * 
     * @throws LifecycleException
     */
    public void init() throws LifecycleException;

    /**
     * ???
     * 
     * @throws LifecycleException
     */
    public void start() throws LifecycleException;

    /**
     * ???
     * 
     * @throws LifecycleException
     */
    public void suspend() throws LifecycleException;

    /**
     * ???
     * 
     * @throws LifecycleException
     */
    public void resume() throws LifecycleException;

    /**
     * ????
     * 
     * @throws LifecycleException
     */
    public void destroy() throws LifecycleException;

    /**
     * ????????????????
     * 
     * @param listener
     */
    public void addLifecycleListener(ILifecycleListener listener);

    /**
     * ????????????????
     * 
     * @param listener
     */
    public void removeLifecycleListener(ILifecycleListener listener);

}

???????????????????????????????????????????????????????????ILifeCycle???????????????????????????????????????public void addLifecycleListener(ILifecycleListener listener);?? public void removeLifecycleListener(ILifecycleListener listener);
???????????????????????????????淶?????????:

public interface ILifecycleListener {

    /**
     * ????????????????д???
     * 
     * @param event ???????????
     */
    public void lifecycleEvent(LifecycleEvent event);
}

?????????????????LifecycleEvent??????????????:

public final class LifecycleEvent {

    private LifecycleState state;

    public LifecycleEvent(LifecycleState state) {
        this.state = state;
    }

    /**
     * @return the state
     */
    public LifecycleState getState() {
        return state;
    }

}

??????????
????????ILifeCycle???????κ??????????????????????????????????????????????????socket??????????????????????????飬????????????????????ILifeCycle??????? ???????????????????????????????????????????????????λ????Щ?????????????????
???????????????????????
???????????????????????
????????????????????????????仯